Wild Kratts"Octopus Wildkratticus"
When Martin accidentally knocks Aviva's creature power suits into a deep Arctic trench, the Martin and Chris dive down in search of them in Aviva's newly invented Octopod submarine. Science Concepts: An Octopus can use ink, jet propulsion, tentacle regeneration, and camouflage in order to escape or hide when in danger. Each feature has an important function for survival. D

4:30 pm

Cyberchase"Cool It"
(topic: Liquid Volume) - Determined to destroy Motherboard in any way possible, Hacker cleverly clogs up her cooling system. Digit brings the kids into cyberspace to help fix her, but the special coolant Motherboard needs, cryoxide, is found only in Castleblanca - and the supply is closely monitored! To bring back exactly enough cryoxide for Motherboard, the kids have to figure out the exact volume of Motherboard's tank. In the process, they discover the importance of a standard unit of measure - and fill a most unusual container with the precious cryoxide. D

5:00 pm

Fetch! With Ruff Ruffman"Mission Improbable"
Ruff sends the FETCHers to Washington D.C. for training to become secret agents. D

5:30 pm

Nightly Business Report
From China to Japan to Europe there are fresh signs of slowing economies and they are raising new worries about global growth. NBR's Susie Gharib speaks with ConvergEx's Nicholas Colas. The American government borrows billions of dollars from China. D

Doc Martin"Always On My Mind"
Phil Pratt accuses Martin of killing his wife Helen, then in the wake of a farm accident, Pratt himself must rely on the doctor. A new teacher has trouble with her hands, and things are looking up for PC Mylow on the romance front.G

8:00 pm

Outdoor Idaho"Pathways of Pioneers"
For emigrants bound for a land of opportunity, the Oregon Trail was the corridor to their dreams. This great migration west left Idaho a grand legacy, which we explore in this hour-long program. Massacre Rocks, Soda Springs, Big Hill, Three Island Crossing - these historic landmarks take on new meaning through the eyes of modern-day pioneers.G

POV"I'm Carolyn Parker: The Good, the Mad, and the Beautiful"
Academy Award-winning director Jonathan Demme has created a vibrant character study of the courage and resiliency of a fearless matriarch and civil rights activist. He tells an intimate account of Parker's five-year crusade to rebuild her neon-green house, her church, her community and her life in New Orleans' Lower Ninth Ward following Hurricane Katrina.G